/*package com.kl.test;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MD5Encoder {
	 public static String encode(String pwd) {  
	        try {  
	            MessageDigest  digest = MessageDigest.getInstance("MD5");  
	            byte[]  bytes = digest.digest(pwd.getBytes());  
	            StringBuffer sb = new  StringBuffer();  
	            for(int i = 0;i<bytes.length;i++){  
	                String s = Integer.toHexString(0xff&bytes[i]);  
	                  
	                if(s.length()==1){  
	                    sb.append("0"+s);  
	                }else{  
	                    sb.append(s);  
	                }  
	            }  
	              
	            return sb.toString();  
	        } catch (NoSuchAlgorithmException e) {  
	            e.printStackTrace();  
	            throw new RuntimeException("buhuifasheng");  
	        }  
	    }  
}
*/